diff --git a/polyglot/convertAdapter.json b/polyglot/convertAdapter.json
index 9830e4e6..5ed91f14 100644
--- a/polyglot/convertAdapter.json
+++ b/polyglot/convertAdapter.json
@@ -53,7 +53,11 @@
 						}
 					}
 				}
-			]
+			],
+			{
+				"from": { "type": "json" },
+				"to": { "mode": "json" }
+			}
 		]
 	},
 	"add": {